#define _CRT_SECURE_NO_WARNINGS 1
#pragma warning(disable:6031)
#include<stdio.h>
int main()
{
	char str1[15] = { "abcd" };
	char str2[10] = { "abcde" };
	int ret = strncmp(str1, str2,3);
	printf("%d", ret);
	return 0;
}
